Improvement in harvesters



, .l. H. .COLLER.

Harvester.

No. 39,719. A I Patented Sept. 1, 1863.

wizne s ses 'W SKEQM N. PETERS Fhcbuml p er, Wrnhingtm D4 0.

UNIT D STATES PATENT OFFICE.

ISAAC H. GOLLER, OF POUGHKEEPSIE, NEW YORK.

IMPROVEMENT IN HARVESTERS.

Specification forming part of Letters Patent No. 39,719, dated September1, 1863.

To all whom it may concern:

Be it known that I, IsAAc H. UOLLER, of Poughkeepsie, in the county ofDutchess and State of New York, have invented certain 1mprovements inHeads for Knife -Rods and Knife-Rods for Harvesters, the constructionand operation of which I have described in the fillowing specificationand illustrated in its accompanying drawings with sutficient clearnessto enable competent; and skillful workmen in the arts to whichitpertains or is most nearly allied to make and use my invention.

The nature of my invention consist in forming the head of a separatepiece and attaching it to the knife-rod by means of double dovetails andrivets, or their equivalents.

In the accompanying drawings, Figure 1 is a perspective view, showingthe head and a part of a cutter-bar and one knife.

Fig. 2 is a plan view of the under side of head and part of cutter-bar.A is the head; B,the knife-rod O, the knife. The head A is cast with arecess on the under side, Fig. 2, the depth and width of the knife-rodB, with two projecting dovetails, a a, on each side.

The end of the knife-rod is fitted tight in this recess and fastened bymeans of the rivets b b securely to the head. By this arrangement itwill be seen that the dovetails a a take all the strain of the rivets bb and enable the maker to preserve the full strength of the What Iclaim, and. desire to be secured to me by Letters Patent, is-- t Themanner of attaching the head A to the knife-rod B by means of the doubledovetails a a and rivets b b, or their equivalents, substantially asdescribed.

I ISAAC H. COLLIER. Witnesses:

JOHN D. B. GoLLER, GEO. HANNAH.

